P.M. WILSON HEIRS GAS UNIT 1

Oil // district 6 // lease#15423

op: RIVIERA OPERATING, LLC

cum_oil

17k BBL

cum_gas

0 MCF

wells

1

production

2015-02 — 2026-03

peak_month

2015-05

-- production_history

cum_oil: 17,307 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

506 BBL/mo

Di (annual)

181.9%

b-factor

1.4

EUR

25,060 BBL

R-squared

0.802

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SOUTHWESTERN ENERGY PROD. CO.212,0002014-12-23
EOF // data source: Texas Railroad Commission // 2026